Dental floss holder



FIG. 1 is a front, top perspective view of a dental floss holder, showing my new design;

FIG. 2 is a rear, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof; and,

FIG. 8 is an enlarged bottom plan view thereof. 

CLAIM The ornamental design for a dental floss holder, as shown and described. 